Square Pipe

140x80x(4-7)mm

500x300x(8-14)mm

120x80x(3-6)mm

450x250x(8-14)mm

120x60x(3-6)mm

400x300x(8-14)mm

100x50x(3-5)mm

400x250x(6-14)mm

90x50x(3-5)mm

400x200x(6-14)mm

80x60x(3-5)mm

350x250x(6-14)mm

80x40x(2-5)mm

300x200x(5-14)mm

70x50x(2-5)mm

260x180x(5-14)mm

60x40x(2-4)mm

250x150x(4-12)mm

60x30x(2-4)mm

220x140x(4-12)mm

50x30x(1.5-4)mm

200x150x(4-10)mm

50x25x(1.5-3)mm

200x120x(4-10)mm

40x30x(1.5-3)mm

180x100x(4-10)mm

40x25x(1.5-3)mm

160x80x(4-8)mm

40x20x(1.5-3)mm

150x100x(4-8)mm

30x20x(1.5-2.5)mm

Standard(GB/T6728-2002) Rectangular pipe

 

135x135x(4-10)mm

130x130x(4-10)mm

400x400x(8-14)mm

120x120x(4-8)mm

350x350x(8-14)mm

100x100x(4-8)mm

300x300x(6-14)mm

90x90x(3-7)mm

250x250x(5-14)mm

80x80x(2.5-6)mm

220x220x(5-14)mm

70x70x(2.5-5)mm

200x200x(4-14)mm

60x60x(2-5)mm

180x180x(4-12)mm

50x50x(1.5-4.5)mm

160x160x(4-10)mm

40x40x(1.5-4)mm

150x150x(4-10)mm

30x30x(1.5-3)mm

140x140x(4-10)mm

20x20x(1.2-2)mm

Standard (GB/T6728-2002) Square pipe

HDG steel pipe, bright steel, seamless steel pipe, square tube, and hot or cold rolled pipe.